オクノ ショウジ   Okuno Shoji
  奥野 祥二
   所属   神奈川大学  工学部 情報システム創成学科
   職種   助教
言語種別 日本語
発行・発表の年月 2002/05
形態種別 学術雑誌
標題 Search for charmless two-body baryonic decays of B mesons
執筆形態 共著
掲載誌名 Phys.Rev.D 65,0911038(R)(2002)(5 pages)
概要 K.Abe,S.Okuno,et al.[Belle Collaboration], We report the results of a search for the rare baryonic decays B0 → p{p}, λ{λ}, and B+ → p {λ}. The analysis is based on a data set of 31.7×106 B{B} events collected by the Belle detector at the KEKB e+e- collider. No statistically significant signals are found, and we set branching fraction upper limits B(B0 → p{p})<1.2×10-6, B(B0 → λ{λ})<1.0×10-6, and B(B+ → p {λ})<2.2×10-6 at the 90% confidence level.